One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,7)(3,4,11,9)(5,8,14,15)(10,12,13,16)(17,18,22,25)(19,20,27,23)(21,24,29,31)(26,28,32,30)(34,37)(35,36)(41,45)(42,44)(1,2,6,7)(3,9,11,4)(5,8,14,15)(10,16,13,12)(17,19)(18,23)(20,25)(21,26)(22,27)(24,30)(28,31)(29,32)(33,34,39,37)(35,40,36,43)(38,41,46,45)(42,47,44,48)(2,7)(4,9)(8,15)(12,16)(21,29)(24,31)(26,32)(28,30)(33,35,39,36)(34,40,37,43)(38,42,46,44)(41,47,45,48)(1,3)(2,4)(5,13)(6,11)(7,9)(8,16)(10,14)(12,15)(17,20,22,23)(18,19,25,27)(21,28,29,30)(24,26,31,32)(33,36,39,35)(34,40,37,43)(38,42,46,44)(41,48,45,47)(1,4)(2,3)(5,12)(6,9)(7,11)(8,10)(13,15)(14,16)(17,21)(18,24)(19,26)(20,28)(22,29)(23,30)(25,31)(27,32)(33,37,39,34)(35,40,36,43)(38,45,46,41)(42,47,44,48)(1,5)(2,8)(3,10)(4,12)(6,14)(7,15)(9,16)(11,13)(17,19)(18,20)(21,26)(22,27)(23,25)(24,28)(29,32)(30,31)(33,38)(34,41)(35,42)(36,44)(37,45)(39,46)(40,47)(43,48) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.